What is the loss of return?
In the electronic communication system, the loss of the return is part of the signal that is reflected back to the transmitter. The loss of return is usually caused by imperfections or disagreements of impedance in cables and cable connections. Any energy reflected in this way reduces the total power of the transmitted signal and can lead to problems with the intake and clarity of the signal.
The most basic communication system consists of a cable with a transmitter and one end and a receiver on the other. The signal sent by the transmitter travels on the cable and is processed by the receiver. Even the system as basic as this has some part of the return of return. Like the voice that travels down the tunnel, it generates an echo that leads to distortion, so the signal passing through the cable sounds to create a loss of return. These imperfections can be introduced at any time during the production or installation process. Imperfection in wiring leads to uneven impedance, which means that the cable can create more or less resistance to the flow of signal in one physicthe point of the point than at another. Parts of the signal can essentially get stuck and reflect back towards the transmitter unless they are able to overcome the resistance at any given point of the circuit. Individual problems can be easily ignored, but can be added over the length of the system to cause large loss of return.
Missing impedance may be caused by incorrect installation. If the wires are not cropped correctly, if the cable is compressed in a manner that has not been designed to be or if the cable ends are not properly installed, they can result in impedance problems. Non -conforming components can also cause a return loss if the impedance of one component is much higher or lower than the impedance of another component in the system.
The loss of return has become more of a wake -up as a telecommunications technology. Many communication systems now use bidirectional signaling so signals are no longer simplySending from the transmitter to the receiver. Transceivers are more commonly used to transmit and receive signals.
In such systems, the problem is enlarged. ECHO affects not only the signal received at one point, but all the data throughout the system. The transmitter could send a signal and listen to the answer when the echoes of their own signal are reflected.